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cusp: Cusp-Catastrophe Model Fitting Using Maximum Likelihood

Cobb's maximum likelihood method for cusp-catastrophe modeling (Grasman, van der Maas, and Wagenmakers (2009) <doi:10.18637/jss.v032.i08>; Cobb (1981), Behavioral Science, 26(1), 75-78). Includes a cusp() function for model fitting, and several utility functions for plotting, and for comparing the model to linear regression and logistic curve models.

Version: 2.3.8
Imports: stats, graphics, grDevices, utils
Suggests: plot3D
Published: 2024-08-17
DOI: 10.32614/CRAN.package.cusp
Author: Raoul P. P. P. Grasman ORCID iD [aut, cre, cph]
Maintainer: Raoul P. P. P. Grasman <rgrasman at uva.nl>
License: GPL-2
NeedsCompilation: yes
Citation: cusp citation info
CRAN checks: cusp results

Documentation:

Reference manual: cusp.pdf
Vignettes: the cusp package (source)
cusp package hands on tutorial examples (source, R code)

Downloads:

Package source: cusp_2.3.8.tar.gz
Windows binaries: r-devel: cusp_2.3.8.zip, r-release: cusp_2.3.8.zip, r-oldrel: cusp_2.3.8.zip
macOS binaries: r-release (arm64): cusp_2.3.8.tgz, r-oldrel (arm64): cusp_2.3.8.tgz, r-release (x86_64): cusp_2.3.8.tgz, r-oldrel (x86_64): cusp_2.3.8.tgz
Old sources: cusp archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.